Supported Processor List:
Vital/TSYS
FDMS
Paymentech

Supported Gateway List:
Authorize.Net
DPI Link
eProcessing
GoRealTime (Full-pass)
IBill Processing Plus
Intellipay ExpertLink
Iongate
iTransact RediCharge HTML
NetBilling
Verisign PayFlow Pro
Payready Link
NOVA's Viaklix
USA ePay
Plug 'n Pay
Planet Payment
MPCS
RTWare
ECX
Bank of America
Innovative Gateway
Merchant Anywhere (Transaction Central)
SkipJack
ECHOnline
3 Delta Systems (3DSI) EC-Linx
TrustCommerce
PSIGate
PayFuse XML
PayFlowLink
Paymentech Orbital Gateway V4.
LinkPoint
Moneris eSelect Plus Canada
uSight Gateway
Fast Transact
NetworkMerchants
Ogone DirectLink
Concord EFSNet
Payment Resources International PRIGate
Protx
Optimal Payments / FirePay Direct Payment Protocol
Merchant Partners
CyberCash
FirstData / CardService International
YourPay
ACH Payments
Payments Gateway
Cyber Source SOAP API
eWay (Australia)
goEmerchant XML
PayStream (Australia)
TransFirst eLink(50)
Chase Merchant Services
PSIGate XML Interface
NexCommerce
WorldPay Select Junior Invisible
Transaction Central
Paygea
Sterling SPOT API
PayJunction Trinity Gateway
SECPay
Payment Express PXPost
NOVA/My Virtual Merchant
Sage Payment Solutions Bankcard HTTPS
SecurePay (Script API/COM Object Interface)
Moneris eSelect Plus USA
BeanStream
Verifi